This assembly is approved for supplied air systems that use 3M Low Pressure Hoses W 3020 25/07033(AAD), W 3020 50/07034(AAD), and W 3020 100/07035(AAD) at pressures between 6 15 psig.Supplied air respirators offer many features over traditional respiratory protection, such as cooling or heating incoming air with certain valves; fit testing only required for tight-fitting facepieces; and low maintenance. Complete systems include a supplied air hose, an air regulating valve, a breathing tube, and a helmet, hood, or other facepiece. 3M Supplied Air Respirators require a source of clean breathing air such as plant air systems or bottled air. This clean, breathable air can be delivered to hoods, helmets, full facepieces, half facepieces and loose-fitting facepieces.
